./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7013b5440d15c52781747fe18e114861ef321ee3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:36:54,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:36:54,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:36:54,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:36:54,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:36:54,858 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:36:54,859 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:36:54,860 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:36:54,861 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:36:54,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:36:54,862 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:36:54,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:36:54,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:36:54,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:36:54,863 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:36:54,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:36:54,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:36:54,865 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:36:54,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:36:54,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:36:54,867 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:36:54,868 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:36:54,869 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:36:54,869 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:36:54,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:36:54,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:36:54,870 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:36:54,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:36:54,871 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:36:54,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:36:54,872 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:36:54,872 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:36:54,872 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:36:54,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:36:54,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:36:54,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:36:54,873 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 18:36:54,880 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:36:54,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:36:54,881 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:36:54,881 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 18:36:54,882 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 18:36:54,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:36:54,882 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:36:54,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:36:54,883 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 18:36:54,883 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:36:54,883 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 18:36:54,883 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 18:36:54,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:36:54,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:36:54,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 18:36:54,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:36:54,883 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:36:54,883 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:36:54,884 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 18:36:54,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:36:54,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:36:54,884 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7013b5440d15c52781747fe18e114861ef321ee3 [2018-12-09 18:36:54,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:36:54,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:36:54,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:36:54,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:36:54,914 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:36:54,914 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-12-09 18:36:54,956 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/data/583ebeb25/f154b233461a41af82ea1adc688ed4a7/FLAG1953e282f [2018-12-09 18:36:55,420 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:36:55,420 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-12-09 18:36:55,427 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/data/583ebeb25/f154b233461a41af82ea1adc688ed4a7/FLAG1953e282f [2018-12-09 18:36:55,436 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/data/583ebeb25/f154b233461a41af82ea1adc688ed4a7 [2018-12-09 18:36:55,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:36:55,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:36:55,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:36:55,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:36:55,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:36:55,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55, skipping insertion in model container [2018-12-09 18:36:55,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:36:55,471 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:36:55,657 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:36:55,661 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:36:55,763 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:36:55,776 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:36:55,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55 WrapperNode [2018-12-09 18:36:55,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:36:55,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:36:55,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:36:55,777 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:36:55,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:36:55,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:36:55,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:36:55,828 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:36:55,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... [2018-12-09 18:36:55,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:36:55,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:36:55,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:36:55,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:36:55,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 18:36:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:36:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:36:56,918 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:36:56,918 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 18:36:56,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:56 BoogieIcfgContainer [2018-12-09 18:36:56,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:36:56,919 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 18:36:56,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 18:36:56,928 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 18:36:56,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:56" (1/1) ... [2018-12-09 18:36:56,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:36:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 18:36:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 18:36:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 18:36:56,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:57,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:36:57,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-09 18:36:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-09 18:36:57,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 18:36:57,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:36:57,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 243 transitions. [2018-12-09 18:36:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2018-12-09 18:36:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 18:36:57,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:36:57,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-09 18:36:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-09 18:36:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 18:36:57,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:36:57,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:57,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-09 18:36:57,998 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-09 18:36:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 18:36:58,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:36:58,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:58,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 217 states and 319 transitions. [2018-12-09 18:36:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2018-12-09 18:36:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 18:36:58,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:58,439 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:36:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2018-12-09 18:36:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2018-12-09 18:36:58,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 18:36:58,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:36:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 242 states and 359 transitions. [2018-12-09 18:36:59,088 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 359 transitions. [2018-12-09 18:36:59,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 18:36:59,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:36:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:59,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 256 states and 375 transitions. [2018-12-09 18:36:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 375 transitions. [2018-12-09 18:36:59,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 18:36:59,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:36:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2018-12-09 18:36:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2018-12-09 18:36:59,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 18:36:59,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:36:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:59,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 264 states and 387 transitions. [2018-12-09 18:36:59,794 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2018-12-09 18:36:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 18:36:59,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:36:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:36:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 267 states and 391 transitions. [2018-12-09 18:36:59,914 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 391 transitions. [2018-12-09 18:36:59,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 18:36:59,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:36:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:36:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 290 states and 425 transitions. [2018-12-09 18:37:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 425 transitions. [2018-12-09 18:37:00,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 18:37:00,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:37:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 369 states and 512 transitions. [2018-12-09 18:37:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 512 transitions. [2018-12-09 18:37:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 18:37:00,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:00,936 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:01,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 387 states and 533 transitions. [2018-12-09 18:37:01,164 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 533 transitions. [2018-12-09 18:37:01,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 18:37:01,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 389 states and 535 transitions. [2018-12-09 18:37:01,284 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 535 transitions. [2018-12-09 18:37:01,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 18:37:01,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:01,338 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 411 states and 569 transitions. [2018-12-09 18:37:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 569 transitions. [2018-12-09 18:37:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 18:37:02,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 414 states and 572 transitions. [2018-12-09 18:37:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 572 transitions. [2018-12-09 18:37:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 18:37:02,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:02,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:02,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 417 states and 575 transitions. [2018-12-09 18:37:02,410 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 575 transitions. [2018-12-09 18:37:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 18:37:02,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:03,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 435 states and 597 transitions. [2018-12-09 18:37:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 597 transitions. [2018-12-09 18:37:03,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 18:37:03,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 438 states and 600 transitions. [2018-12-09 18:37:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 600 transitions. [2018-12-09 18:37:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 18:37:03,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 445 states and 608 transitions. [2018-12-09 18:37:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 608 transitions. [2018-12-09 18:37:03,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 18:37:03,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 477 states and 652 transitions. [2018-12-09 18:37:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 652 transitions. [2018-12-09 18:37:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 18:37:05,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:05,159 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 483 states and 662 transitions. [2018-12-09 18:37:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 662 transitions. [2018-12-09 18:37:05,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 18:37:05,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:05,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 486 states and 666 transitions. [2018-12-09 18:37:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 666 transitions. [2018-12-09 18:37:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 18:37:06,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:06,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 497 states and 679 transitions. [2018-12-09 18:37:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 679 transitions. [2018-12-09 18:37:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 18:37:06,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 498 states and 679 transitions. [2018-12-09 18:37:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 679 transitions. [2018-12-09 18:37:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 18:37:06,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 504 states and 688 transitions. [2018-12-09 18:37:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 688 transitions. [2018-12-09 18:37:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 18:37:06,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:07,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 513 states and 699 transitions. [2018-12-09 18:37:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 699 transitions. [2018-12-09 18:37:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 18:37:07,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:07,129 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:07,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 540 states and 728 transitions. [2018-12-09 18:37:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 728 transitions. [2018-12-09 18:37:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 18:37:07,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:07,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 543 states and 730 transitions. [2018-12-09 18:37:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 730 transitions. [2018-12-09 18:37:07,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 18:37:07,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:07,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 546 states and 733 transitions. [2018-12-09 18:37:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 733 transitions. [2018-12-09 18:37:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 18:37:07,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:07,651 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 558 states and 749 transitions. [2018-12-09 18:37:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 749 transitions. [2018-12-09 18:37:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 18:37:07,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 561 states and 752 transitions. [2018-12-09 18:37:08,043 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 752 transitions. [2018-12-09 18:37:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 18:37:08,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:08,074 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 564 states and 756 transitions. [2018-12-09 18:37:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 756 transitions. [2018-12-09 18:37:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 18:37:08,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:08,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 576 states and 769 transitions. [2018-12-09 18:37:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 769 transitions. [2018-12-09 18:37:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 18:37:08,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 582 states and 775 transitions. [2018-12-09 18:37:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 775 transitions. [2018-12-09 18:37:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 18:37:08,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:08,727 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:08,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 587 states and 781 transitions. [2018-12-09 18:37:08,831 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 781 transitions. [2018-12-09 18:37:08,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 18:37:08,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 591 states and 786 transitions. [2018-12-09 18:37:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 786 transitions. [2018-12-09 18:37:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 18:37:08,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:08,911 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:09,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:09,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 604 states and 809 transitions. [2018-12-09 18:37:09,602 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 809 transitions. [2018-12-09 18:37:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 18:37:09,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 607 states and 812 transitions. [2018-12-09 18:37:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 812 transitions. [2018-12-09 18:37:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 18:37:09,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 614 states and 821 transitions. [2018-12-09 18:37:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 821 transitions. [2018-12-09 18:37:10,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 18:37:10,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:10,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:10,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 624 states and 830 transitions. [2018-12-09 18:37:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 830 transitions. [2018-12-09 18:37:10,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 18:37:10,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:10,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:10,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 626 states and 832 transitions. [2018-12-09 18:37:10,402 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 832 transitions. [2018-12-09 18:37:10,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 18:37:10,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:10,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 631 states and 836 transitions. [2018-12-09 18:37:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 836 transitions. [2018-12-09 18:37:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 18:37:10,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 637 states and 841 transitions. [2018-12-09 18:37:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 841 transitions. [2018-12-09 18:37:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 18:37:10,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 644 states and 848 transitions. [2018-12-09 18:37:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 848 transitions. [2018-12-09 18:37:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 18:37:10,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:10,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 645 states and 848 transitions. [2018-12-09 18:37:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 848 transitions. [2018-12-09 18:37:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 18:37:10,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 18:37:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 659 states and 865 transitions. [2018-12-09 18:37:11,172 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 865 transitions. [2018-12-09 18:37:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 18:37:11,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 663 states and 870 transitions. [2018-12-09 18:37:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 870 transitions. [2018-12-09 18:37:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 18:37:11,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 73 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:37:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 685 states and 893 transitions. [2018-12-09 18:37:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 893 transitions. [2018-12-09 18:37:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 18:37:11,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 700 states and 908 transitions. [2018-12-09 18:37:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 908 transitions. [2018-12-09 18:37:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 18:37:11,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 759 states and 971 transitions. [2018-12-09 18:37:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 971 transitions. [2018-12-09 18:37:14,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 18:37:14,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 827 states and 1051 transitions. [2018-12-09 18:37:20,193 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1051 transitions. [2018-12-09 18:37:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 18:37:20,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:20,235 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:20,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 830 states and 1054 transitions. [2018-12-09 18:37:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1054 transitions. [2018-12-09 18:37:20,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 18:37:20,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:20,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 833 states and 1057 transitions. [2018-12-09 18:37:20,718 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1057 transitions. [2018-12-09 18:37:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 18:37:20,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 845 states and 1074 transitions. [2018-12-09 18:37:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1074 transitions. [2018-12-09 18:37:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 18:37:21,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:37:21,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:21,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 893 states and 1126 transitions. [2018-12-09 18:37:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1126 transitions. [2018-12-09 18:37:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 18:37:21,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:23,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 930 states and 1166 transitions. [2018-12-09 18:37:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1166 transitions. [2018-12-09 18:37:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 18:37:23,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 955 states and 1194 transitions. [2018-12-09 18:37:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1194 transitions. [2018-12-09 18:37:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 18:37:26,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:27,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 960 states and 1199 transitions. [2018-12-09 18:37:27,261 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1199 transitions. [2018-12-09 18:37:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 18:37:27,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:27,354 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 981 states and 1219 transitions. [2018-12-09 18:37:27,986 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1219 transitions. [2018-12-09 18:37:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 18:37:27,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1023 states and 1263 transitions. [2018-12-09 18:37:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1263 transitions. [2018-12-09 18:37:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 18:37:33,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1024 states and 1265 transitions. [2018-12-09 18:37:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1265 transitions. [2018-12-09 18:37:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 18:37:33,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:33,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1027 states and 1268 transitions. [2018-12-09 18:37:33,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1268 transitions. [2018-12-09 18:37:33,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 18:37:33,322 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 18:37:33,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:33,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1028 states and 1268 transitions. [2018-12-09 18:37:33,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1268 transitions. [2018-12-09 18:37:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 18:37:33,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:33,399 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1044 states and 1286 transitions. [2018-12-09 18:37:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1286 transitions. [2018-12-09 18:37:33,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 18:37:33,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:33,747 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1063 states and 1305 transitions. [2018-12-09 18:37:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1305 transitions. [2018-12-09 18:37:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 18:37:34,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:34,479 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 18:37:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1096 states and 1343 transitions. [2018-12-09 18:37:34,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1343 transitions. [2018-12-09 18:37:34,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 18:37:34,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 18:37:35,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1106 states and 1358 transitions. [2018-12-09 18:37:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1358 transitions. [2018-12-09 18:37:35,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 18:37:35,735 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 18:37:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:36,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1114 states and 1365 transitions. [2018-12-09 18:37:36,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1365 transitions. [2018-12-09 18:37:36,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 18:37:36,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 18:37:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1120 states and 1370 transitions. [2018-12-09 18:37:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1370 transitions. [2018-12-09 18:37:36,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 18:37:36,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1122 states and 1373 transitions. [2018-12-09 18:37:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1373 transitions. [2018-12-09 18:37:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 18:37:36,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1141 states and 1392 transitions. [2018-12-09 18:37:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1392 transitions. [2018-12-09 18:37:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 18:37:36,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 18:37:38,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1165 states and 1423 transitions. [2018-12-09 18:37:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1423 transitions. [2018-12-09 18:37:38,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 18:37:38,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 18:37:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:38,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1167 states and 1427 transitions. [2018-12-09 18:37:38,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1427 transitions. [2018-12-09 18:37:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 18:37:38,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:38,751 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1177 states and 1443 transitions. [2018-12-09 18:37:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1443 transitions. [2018-12-09 18:37:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 18:37:40,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:41,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1178 states and 1444 transitions. [2018-12-09 18:37:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1444 transitions. [2018-12-09 18:37:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 18:37:41,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1212 states and 1478 transitions. [2018-12-09 18:37:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1478 transitions. [2018-12-09 18:37:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 18:37:45,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:46,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1222 states and 1495 transitions. [2018-12-09 18:37:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1495 transitions. [2018-12-09 18:37:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 18:37:46,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:46,899 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:37:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:46,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1223 states and 1496 transitions. [2018-12-09 18:37:46,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1496 transitions. [2018-12-09 18:37:46,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 18:37:46,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1224 states and 1496 transitions. [2018-12-09 18:37:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1496 transitions. [2018-12-09 18:37:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 18:37:47,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 18:37:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1303 states and 1592 transitions. [2018-12-09 18:37:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1592 transitions. [2018-12-09 18:37:47,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 18:37:47,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1347 states and 1638 transitions. [2018-12-09 18:37:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1638 transitions. [2018-12-09 18:37:51,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 18:37:51,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:37:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:51,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1349 states and 1640 transitions. [2018-12-09 18:37:51,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1640 transitions. [2018-12-09 18:37:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 18:37:51,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 18:37:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1362 states and 1659 transitions. [2018-12-09 18:37:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1659 transitions. [2018-12-09 18:37:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 18:37:52,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 18:37:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1363 states and 1660 transitions. [2018-12-09 18:37:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1660 transitions. [2018-12-09 18:37:53,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 18:37:53,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 18:37:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1378 states and 1675 transitions. [2018-12-09 18:37:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1675 transitions. [2018-12-09 18:37:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 18:37:53,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1382 states and 1680 transitions. [2018-12-09 18:37:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1680 transitions. [2018-12-09 18:37:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 18:37:54,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:54,107 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:37:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1385 states and 1683 transitions. [2018-12-09 18:37:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1683 transitions. [2018-12-09 18:37:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 18:37:54,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 18:37:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:37:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1427 states and 1731 transitions. [2018-12-09 18:37:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 1731 transitions. [2018-12-09 18:37:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 18:37:57,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:37:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:37:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:01,399 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2018-12-09 18:38:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:05,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1482 states and 1791 transitions. [2018-12-09 18:38:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1791 transitions. [2018-12-09 18:38:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 18:38:05,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1517 states and 1826 transitions. [2018-12-09 18:38:06,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 1826 transitions. [2018-12-09 18:38:06,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-09 18:38:06,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:38:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:06,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1524 states and 1832 transitions. [2018-12-09 18:38:06,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 1832 transitions. [2018-12-09 18:38:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:06,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:06,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:38:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1525 states and 1832 transitions. [2018-12-09 18:38:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1832 transitions. [2018-12-09 18:38:07,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:07,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 18:38:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1578 states and 1889 transitions. [2018-12-09 18:38:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 1889 transitions. [2018-12-09 18:38:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:08,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:08,630 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 18:38:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1628 states and 1940 transitions. [2018-12-09 18:38:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1940 transitions. [2018-12-09 18:38:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:11,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 18:38:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1647 states and 1958 transitions. [2018-12-09 18:38:13,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 1958 transitions. [2018-12-09 18:38:13,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:13,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:21,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:21,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1677 states and 1997 transitions. [2018-12-09 18:38:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 1997 transitions. [2018-12-09 18:38:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:21,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:21,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1680 states and 2000 transitions. [2018-12-09 18:38:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2000 transitions. [2018-12-09 18:38:21,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:21,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1683 states and 2005 transitions. [2018-12-09 18:38:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2005 transitions. [2018-12-09 18:38:22,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:22,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1695 states and 2019 transitions. [2018-12-09 18:38:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2019 transitions. [2018-12-09 18:38:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-09 18:38:23,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:23,263 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 102 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2022 states to 1698 states and 2022 transitions. [2018-12-09 18:38:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2022 transitions. [2018-12-09 18:38:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 18:38:23,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 18:38:23,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1708 states and 2031 transitions. [2018-12-09 18:38:23,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2031 transitions. [2018-12-09 18:38:23,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 18:38:23,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:38:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1714 states and 2037 transitions. [2018-12-09 18:38:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2037 transitions. [2018-12-09 18:38:24,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 18:38:24,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:38:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:24,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1715 states and 2037 transitions. [2018-12-09 18:38:24,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2037 transitions. [2018-12-09 18:38:24,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-09 18:38:24,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 18:38:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1725 states and 2050 transitions. [2018-12-09 18:38:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2050 transitions. [2018-12-09 18:38:24,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 18:38:24,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1753 states and 2091 transitions. [2018-12-09 18:38:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2091 transitions. [2018-12-09 18:38:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 18:38:27,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 1761 states and 2098 transitions. [2018-12-09 18:38:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2098 transitions. [2018-12-09 18:38:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 18:38:27,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 1769 states and 2109 transitions. [2018-12-09 18:38:28,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2109 transitions. [2018-12-09 18:38:28,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 18:38:28,836 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:28,886 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1772 states and 2112 transitions. [2018-12-09 18:38:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2112 transitions. [2018-12-09 18:38:29,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 18:38:29,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:29,273 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 115 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 18:38:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1775 states and 2115 transitions. [2018-12-09 18:38:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2115 transitions. [2018-12-09 18:38:29,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 18:38:29,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:29,631 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 18:38:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1791 states and 2131 transitions. [2018-12-09 18:38:29,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2131 transitions. [2018-12-09 18:38:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 18:38:29,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 18:38:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1806 states and 2151 transitions. [2018-12-09 18:38:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2151 transitions. [2018-12-09 18:38:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-09 18:38:29,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 18:38:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1809 states and 2154 transitions. [2018-12-09 18:38:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2154 transitions. [2018-12-09 18:38:29,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 18:38:29,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:38:30,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1827 states and 2174 transitions. [2018-12-09 18:38:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2174 transitions. [2018-12-09 18:38:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 18:38:30,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 18:38:31,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:31,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1834 states and 2180 transitions. [2018-12-09 18:38:31,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2180 transitions. [2018-12-09 18:38:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 18:38:31,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 18:38:32,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1849 states and 2199 transitions. [2018-12-09 18:38:32,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2199 transitions. [2018-12-09 18:38:32,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 18:38:32,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 126 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 18:38:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1856 states and 2206 transitions. [2018-12-09 18:38:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2206 transitions. [2018-12-09 18:38:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-09 18:38:32,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 18:38:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1926 states and 2278 transitions. [2018-12-09 18:38:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2278 transitions. [2018-12-09 18:38:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 18:38:34,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 18:38:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 1966 states and 2317 transitions. [2018-12-09 18:38:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2317 transitions. [2018-12-09 18:38:34,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 18:38:34,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 18:38:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2021 states and 2373 transitions. [2018-12-09 18:38:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2373 transitions. [2018-12-09 18:38:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 18:38:35,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 18:38:36,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2063 states and 2414 transitions. [2018-12-09 18:38:36,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2414 transitions. [2018-12-09 18:38:36,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 18:38:36,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:36,813 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 18:38:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2069 states and 2420 transitions. [2018-12-09 18:38:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2420 transitions. [2018-12-09 18:38:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-09 18:38:37,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 18:38:37,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:37,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2072 states and 2422 transitions. [2018-12-09 18:38:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 2422 transitions. [2018-12-09 18:38:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:37,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 18:38:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2097 states and 2460 transitions. [2018-12-09 18:38:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2460 transitions. [2018-12-09 18:38:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:38,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 18:38:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:39,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2100 states and 2463 transitions. [2018-12-09 18:38:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2463 transitions. [2018-12-09 18:38:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:39,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 18:38:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2103 states and 2466 transitions. [2018-12-09 18:38:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2466 transitions. [2018-12-09 18:38:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:40,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:40,331 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 18:38:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2106 states and 2469 transitions. [2018-12-09 18:38:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2469 transitions. [2018-12-09 18:38:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:40,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 18:38:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2111 states and 2475 transitions. [2018-12-09 18:38:41,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2475 transitions. [2018-12-09 18:38:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:41,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-09 18:38:41,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:41,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2114 states and 2478 transitions. [2018-12-09 18:38:41,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2478 transitions. [2018-12-09 18:38:41,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:41,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 150 proven. 8 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 18:38:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2120 states and 2483 transitions. [2018-12-09 18:38:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 2483 transitions. [2018-12-09 18:38:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:42,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 18:38:47,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2193 states and 2559 transitions. [2018-12-09 18:38:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2559 transitions. [2018-12-09 18:38:47,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-09 18:38:47,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 18:38:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:49,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2235 states and 2600 transitions. [2018-12-09 18:38:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2600 transitions. [2018-12-09 18:38:49,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 18:38:49,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:38:50,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2610 states to 2243 states and 2610 transitions. [2018-12-09 18:38:50,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2610 transitions. [2018-12-09 18:38:50,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 18:38:50,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:38:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2251 states and 2617 transitions. [2018-12-09 18:38:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2617 transitions. [2018-12-09 18:38:51,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 18:38:51,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:38:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2261 states and 2627 transitions. [2018-12-09 18:38:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2627 transitions. [2018-12-09 18:38:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 18:38:52,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 190 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 18:38:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2263 states and 2628 transitions. [2018-12-09 18:38:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2628 transitions. [2018-12-09 18:38:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 18:38:52,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:52,770 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 18:38:55,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2335 states and 2704 transitions. [2018-12-09 18:38:55,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 2704 transitions. [2018-12-09 18:38:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-09 18:38:55,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 18:38:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2342 states and 2709 transitions. [2018-12-09 18:38:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2709 transitions. [2018-12-09 18:38:56,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 18:38:56,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 18:38:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:57,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 2436 states and 2808 transitions. [2018-12-09 18:38:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2808 transitions. [2018-12-09 18:38:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 18:38:57,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:38:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 18:38:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:38:59,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2514 states and 2889 transitions. [2018-12-09 18:38:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2889 transitions. [2018-12-09 18:38:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 18:38:59,447 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:38:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:02,204 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 359 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:39:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2667 states and 3060 transitions. [2018-12-09 18:39:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3060 transitions. [2018-12-09 18:39:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-09 18:39:12,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 351 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 18:39:17,373 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2018-12-09 18:39:18,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 2785 states and 3179 transitions. [2018-12-09 18:39:18,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3179 transitions. [2018-12-09 18:39:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 18:39:18,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-09 18:39:21,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:21,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 2863 states and 3269 transitions. [2018-12-09 18:39:21,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2863 states and 3269 transitions. [2018-12-09 18:39:21,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 18:39:21,967 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-09 18:39:22,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 2864 states and 3272 transitions. [2018-12-09 18:39:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 3272 transitions. [2018-12-09 18:39:22,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-09 18:39:22,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-09 18:39:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 2928 states and 3336 transitions. [2018-12-09 18:39:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 3336 transitions. [2018-12-09 18:39:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 18:39:23,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 286 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 18:39:25,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 2944 states and 3355 transitions. [2018-12-09 18:39:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3355 transitions. [2018-12-09 18:39:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 18:39:25,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 286 proven. 10 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 18:39:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:25,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 2952 states and 3363 transitions. [2018-12-09 18:39:25,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 3363 transitions. [2018-12-09 18:39:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 18:39:25,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 18:39:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3396 states to 2986 states and 3396 transitions. [2018-12-09 18:39:26,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3396 transitions. [2018-12-09 18:39:26,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-09 18:39:26,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-09 18:39:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 3042 states and 3453 transitions. [2018-12-09 18:39:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3453 transitions. [2018-12-09 18:39:27,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 18:39:27,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 291 proven. 5 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-09 18:39:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3106 states and 3525 transitions. [2018-12-09 18:39:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 3525 transitions. [2018-12-09 18:39:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 18:39:29,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 291 proven. 5 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-09 18:39:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:30,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 3153 states and 3573 transitions. [2018-12-09 18:39:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3153 states and 3573 transitions. [2018-12-09 18:39:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 18:39:30,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:30,659 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 291 proven. 5 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-09 18:39:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 3155 states and 3574 transitions. [2018-12-09 18:39:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 3574 transitions. [2018-12-09 18:39:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 18:39:31,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 18:39:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3159 states and 3580 transitions. [2018-12-09 18:39:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3580 transitions. [2018-12-09 18:39:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 18:39:31,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 18:39:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3160 states and 3580 transitions. [2018-12-09 18:39:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 3580 transitions. [2018-12-09 18:39:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-09 18:39:31,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 18:39:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:32,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3161 states and 3580 transitions. [2018-12-09 18:39:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 3580 transitions. [2018-12-09 18:39:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-09 18:39:32,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:33,410 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-09 18:39:34,993 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-09 18:39:36,821 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 18:39:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 3225 states and 3646 transitions. [2018-12-09 18:39:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 3646 transitions. [2018-12-09 18:39:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-09 18:39:46,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-09 18:39:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3225 states and 3645 transitions. [2018-12-09 18:39:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3225 states and 3645 transitions. [2018-12-09 18:39:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-12-09 18:39:47,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-09 18:39:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3228 states and 3648 transitions. [2018-12-09 18:39:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3228 states and 3648 transitions. [2018-12-09 18:39:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 18:39:48,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-09 18:39:55,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:39:55,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3708 states to 3287 states and 3708 transitions. [2018-12-09 18:39:55,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3287 states and 3708 transitions. [2018-12-09 18:39:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 18:39:55,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:39:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:39:55,797 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-09 18:39:56,877 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 18:39:58,483 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-12-09 18:40:01,428 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2018-12-09 18:40:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:02,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 3320 states and 3739 transitions. [2018-12-09 18:40:02,248 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 3739 transitions. [2018-12-09 18:40:02,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 18:40:02,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:02,382 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-09 18:40:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3322 states and 3740 transitions. [2018-12-09 18:40:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3322 states and 3740 transitions. [2018-12-09 18:40:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-09 18:40:02,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:03,674 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 375 proven. 61 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 18:40:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 3361 states and 3782 transitions. [2018-12-09 18:40:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3361 states and 3782 transitions. [2018-12-09 18:40:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 18:40:05,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-09 18:40:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3799 states to 3377 states and 3799 transitions. [2018-12-09 18:40:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3377 states and 3799 transitions. [2018-12-09 18:40:05,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 18:40:05,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-09 18:40:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3381 states and 3804 transitions. [2018-12-09 18:40:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 3804 transitions. [2018-12-09 18:40:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 18:40:06,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-12-09 18:40:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3391 states and 3814 transitions. [2018-12-09 18:40:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 3391 states and 3814 transitions. [2018-12-09 18:40:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-09 18:40:07,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:08,824 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-09 18:40:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:18,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3435 states and 3858 transitions. [2018-12-09 18:40:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3435 states and 3858 transitions. [2018-12-09 18:40:18,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-09 18:40:18,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-09 18:40:21,062 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-09 18:40:22,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3484 states and 3906 transitions. [2018-12-09 18:40:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 3906 transitions. [2018-12-09 18:40:22,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-09 18:40:22,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:23,587 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 18:40:25,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:25,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3514 states and 3940 transitions. [2018-12-09 18:40:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3514 states and 3940 transitions. [2018-12-09 18:40:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 18:40:25,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 399 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-09 18:40:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:25,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3519 states and 3944 transitions. [2018-12-09 18:40:25,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3519 states and 3944 transitions. [2018-12-09 18:40:25,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-09 18:40:25,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-09 18:40:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 3520 states and 3945 transitions. [2018-12-09 18:40:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 3945 transitions. [2018-12-09 18:40:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 18:40:25,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 422 proven. 60 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 18:40:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:36,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4050 states to 3604 states and 4050 transitions. [2018-12-09 18:40:36,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4050 transitions. [2018-12-09 18:40:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2018-12-09 18:40:36,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:40,241 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 469 proven. 110 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 18:40:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4102 states to 3652 states and 4102 transitions. [2018-12-09 18:40:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 4102 transitions. [2018-12-09 18:40:50,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-12-09 18:40:50,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2018-12-09 18:40:56,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:40:56,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4126 states to 3672 states and 4126 transitions. [2018-12-09 18:40:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 4126 transitions. [2018-12-09 18:40:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 18:40:56,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:40:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 18:41:01,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 3683 states and 4144 transitions. [2018-12-09 18:41:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states and 4144 transitions. [2018-12-09 18:41:01,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 18:41:01,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 18:41:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 3687 states and 4148 transitions. [2018-12-09 18:41:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 4148 transitions. [2018-12-09 18:41:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 18:41:01,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 18:41:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4161 states to 3701 states and 4161 transitions. [2018-12-09 18:41:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 4161 transitions. [2018-12-09 18:41:03,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 18:41:03,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 473 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 18:41:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4164 states to 3704 states and 4164 transitions. [2018-12-09 18:41:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3704 states and 4164 transitions. [2018-12-09 18:41:04,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 18:41:04,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:04,951 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 74 proven. 369 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 18:41:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4307 states to 3836 states and 4307 transitions. [2018-12-09 18:41:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 3836 states and 4307 transitions. [2018-12-09 18:41:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-09 18:41:12,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 74 proven. 369 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 18:41:14,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 3838 states and 4309 transitions. [2018-12-09 18:41:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4309 transitions. [2018-12-09 18:41:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 18:41:14,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-09 18:41:18,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:18,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 3902 states and 4372 transitions. [2018-12-09 18:41:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3902 states and 4372 transitions. [2018-12-09 18:41:18,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-09 18:41:18,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-09 18:41:20,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4376 states to 3906 states and 4376 transitions. [2018-12-09 18:41:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 4376 transitions. [2018-12-09 18:41:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 18:41:20,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 149 proven. 556 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 18:41:22,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 3919 states and 4390 transitions. [2018-12-09 18:41:22,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3919 states and 4390 transitions. [2018-12-09 18:41:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-12-09 18:41:22,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 18:41:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:41:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 149 proven. 556 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 18:41:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 18:41:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4222 states to 3758 states and 4222 transitions. [2018-12-09 18:41:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3758 states and 4222 transitions. [2018-12-09 18:41:23,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:41:23,404 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 185 iterations. [2018-12-09 18:41:23,412 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 18:41:23,574 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2018-12-09 18:41:23,699 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-12-09 18:41:23,887 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2018-12-09 18:41:24,081 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 22 [2018-12-09 18:41:24,235 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 22 [2018-12-09 18:41:24,343 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 22 [2018-12-09 18:41:24,506 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 22 [2018-12-09 18:41:24,685 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 22 [2018-12-09 18:41:24,814 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2018-12-09 18:41:24,954 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2018-12-09 18:41:25,138 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-12-09 18:41:25,346 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2018-12-09 18:41:25,456 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2018-12-09 18:41:25,569 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2018-12-09 18:41:25,673 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2018-12-09 18:41:25,801 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-12-09 18:41:25,947 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2018-12-09 18:41:26,083 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 22 [2018-12-09 18:41:26,193 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2018-12-09 18:41:26,405 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2018-12-09 18:41:26,552 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2018-12-09 18:41:26,682 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-12-09 18:41:26,815 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-12-09 18:41:26,939 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2018-12-09 18:41:27,296 WARN L180 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 56 [2018-12-09 18:41:27,404 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 22 [2018-12-09 18:41:27,529 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 22 [2018-12-09 18:41:27,638 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2018-12-09 18:41:27,768 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 22 [2018-12-09 18:41:27,890 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 22 [2018-12-09 18:41:28,024 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 22 [2018-12-09 18:41:28,137 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2018-12-09 18:41:28,290 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-12-09 18:41:28,419 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-12-09 18:41:28,532 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 22 [2018-12-09 18:41:28,662 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 22 [2018-12-09 18:41:28,770 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2018-12-09 18:41:28,882 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 22 [2018-12-09 18:41:29,036 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2018-12-09 18:41:29,231 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 22 [2018-12-09 18:41:29,342 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 22 [2018-12-09 18:41:29,450 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 22 [2018-12-09 18:41:29,599 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2018-12-09 18:41:29,725 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 22 [2018-12-09 18:41:29,874 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-12-09 18:41:30,117 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 22 [2018-12-09 18:41:30,270 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 22 [2018-12-09 18:41:30,403 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2018-12-09 18:41:30,681 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 22 [2018-12-09 18:41:30,885 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2018-12-09 18:41:31,043 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2018-12-09 18:41:31,279 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 22 [2018-12-09 18:41:31,432 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 22 [2018-12-09 18:41:31,582 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 22 [2018-12-09 18:41:31,693 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 22 [2018-12-09 18:41:31,842 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2018-12-09 18:41:31,998 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2018-12-09 18:41:32,111 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 22 [2018-12-09 18:41:32,221 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 22 [2018-12-09 18:41:32,337 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 22 [2018-12-09 18:41:32,528 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 22 [2018-12-09 18:41:32,672 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 22 [2018-12-09 18:41:32,802 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 22 [2018-12-09 18:41:32,914 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 22 [2018-12-09 18:41:33,090 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2018-12-09 18:41:33,203 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 22 [2018-12-09 18:41:33,318 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 22 [2018-12-09 18:41:33,449 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 22 [2018-12-09 18:41:33,449 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 18:41:33,451 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-09 18:41:33,455 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-09 18:41:33,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 06:41:33 ImpRootNode [2018-12-09 18:41:33,456 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 18:41:33,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:41:33,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:41:33,456 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:41:33,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:56" (3/4) ... [2018-12-09 18:41:33,459 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:41:33,470 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-09 18:41:33,470 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 18:41:33,470 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 18:41:33,471 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 18:41:33,550 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_89dc43cc-b102-4def-83fe-9c5db448a1b7/bin-2019/ukojak/witness.graphml [2018-12-09 18:41:33,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:41:33,551 INFO L168 Benchmark]: Toolchain (without parser) took 278112.76 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -98.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-09 18:41:33,551 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:41:33,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:33,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:33,552 INFO L168 Benchmark]: Boogie Preprocessor took 40.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:41:33,552 INFO L168 Benchmark]: RCFGBuilder took 1049.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.9 MB in the end (delta: 223.8 MB). Peak memory consumption was 223.8 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:33,552 INFO L168 Benchmark]: CodeCheck took 276536.79 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 893.9 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 18:41:33,552 INFO L168 Benchmark]: Witness Printer took 93.89 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-12-09 18:41:33,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 227 locations, 1 error locations. SAFE Result, 266.4s OverallTime, 185 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 136620700 SDtfs, -24033756 SDslu, 551415080 SDs, 0 SdLazy, -102843584 SolverSat, 1276919616 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 828.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241947 GetRequests, 234726 SyntacticMatches, 5533 SemanticMatches, 1688 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2386882 ImplicationChecksByTransitivity, 236.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 24.0s InterpolantComputationTime, 36710 NumberOfCodeBlocks, 36710 NumberOfCodeBlocksAsserted, 184 NumberOfCheckSat, 36526 ConstructedInterpolants, 0 QuantifiedInterpolants, 38698818 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 184 InterpolantComputations, 122 PerfectInterpolantSequences, 36395/39018 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 475]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a28 == 9) || !(a11 == 1)) || a19 == 1) || (a17 == 8 && a25 == 1)) || ((a17 == 7 && a21 == 1) && a25 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || a19 == 1) || ((a17 == 7 && a21 == 1) && a25 == 1)) || (a17 == 8 && a25 == 1)) || !(a28 == 9) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1049.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.9 MB in the end (delta: 223.8 MB). Peak memory consumption was 223.8 MB. Max. memory is 11.5 GB. * CodeCheck took 276536.79 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 893.9 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 93.89 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...